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<h3 class="heading"><span class="type">Paragraph</span></h3>
<p>(1) If <span class="process-math">\(u(0,t) = a\text{,}\)</span> <span class="process-math">\(u(L,t) = b\text{,}\)</span> then <span class="process-math">\(U(0) = a\text{,}\)</span> <span class="process-math">\(U(L) = b\text{,}\)</span> we get</p>
<div class="displaymath process-math" data-contains-math-knowls="">
\begin{equation*}
U(x) = a + \frac{b-a}{L}x.
\end{equation*}
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<p class="continuation">(2) If <span class="process-math">\(u(0,t) = a\text{,}\)</span> <span class="process-math">\(u_x(L,t) = 0\text{,}\)</span> then <span class="process-math">\(U(0) = a\text{,}\)</span> <span class="process-math">\(U'(L) = 0\text{,}\)</span> we get <span class="process-math">\(U(x) = a\text{.}\)</span>(3) If <span class="process-math">\(u(0,t) = a\text{,}\)</span> <span class="process-math">\(u_x(L,t) = b\text{,}\)</span> then <span class="process-math">\(U(0) = a\text{,}\)</span> <span class="process-math">\(U'(L) = b\text{,}\)</span> we get <span class="process-math">\(U(x) = bx + a\text{.}\)</span></p>
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